Explanation/Reference:
CDs and DVDs are least affected by static current so it is not as important to store them into anti-static bags.
CDs and DVDs Storage protection recommendations:
Handle by edges or by hole in the middle
Be careful not to bend the CD or DVD
Avoid long term exposure to bright light
Store in a hard jewel case, not is soft sleeves
Also, you should know the media storage precautions listed below in preparation for the CISA exam:
USB and portable hard drive
Avoid high temperature, humidity extremes and strong magnetic field
Tape Cartridges
Store Cartridges vertically
Store cartridges in a protective container for transport
Write-protect cartridges immediately
Hard Drive
Store hard drives in anti-static bags, and be sure that person removing them from bag is static free If the original box and padding for the hard drive is available, use it for shipping If the hard drive has been in a cold environment, bring it to room temperature prior to installing and using it The following reference(s) were/was used to create this question:
Reference used - CISA review manual 2014. Page number 338

Explanation
The most important part of a feasibility study is the economics1. A cost-benefit analysis of available products is crucial as it helps to understand the economic viability of the project1. It compares the costs of the project with the benefits it is expected to deliver, which is essential for making informed decisions1. Omitting this could lead to investments in hardware that may not provide the expected returns or meet the organization's needs.
References:
The Components of a Feasibility Study - ProjectEngineer

Section: Protection of Information Assets
Explanation:
Acting as an audit trail for EDI transactions, functional acknowledgements are one of the main controls
used in data mapping. All the other choices are manual input controls, whereas data mapping deals with
automatic integration of data in the receiving company.

Section: Information System Operations, Maintenance and Support